Coeloblastula


Also found in: Medical.

coeloblastula

[‚sē·lō′blas·chə·lə]
(embryology)
A simple, hollow blastula with a single-layered wall.

Coeloblastula

 

a stage of embryonic development; a type of blastula. The coeloblastula is characteristic of certain Coelenterata, lower Arthropoda, Echinodermata, Tunicata, Acrania, Cyclostomata, Acipenseridae, and most Amphibia. It is formed as a result of complete radial cleavage (even or uneven). It resembles a bubble filled with fluid.